Directed pollutant oxidation using simultaneous catalytic metal chelation and organic pollutant complexation
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United States of America Patent
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Oct 1, 2002
Grant Date -
N/A
app pub date -
Jun 19, 2000
filing date -
Jun 18, 1999
priority date (Note) -
Expired
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Abstract
A method of oxidizing organic pollutants in a solution comprises chelating a catalytic metal with cyclodextrins (CD) and/or derivatized cyclodextrins (dCD), and simultaneously complexing an organic pollutant with cyclodextrins (CD) and/or derivatized cyclodextrins (dCD). The CD or dCD is capable of removing the pollutant from sorption sites (either in solution, in soil/sediment, or on surfaces). Furthermore, the CD/dCD is also capable of competing with other metal chelators that may be present in the system. The ability of the CD/dCD to bind both the pollutant and the metal in the presence of competing binding sites is essential for the success of the technique.
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